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No. 579,164. Patented Mar. 23,1897.

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TI-IOMAS MCAULIFFE, OF FALL RIVER, MASSACHUSETTS, ASSIGNOR THE STEVENS MANUFACTURING COMPANY, OF SAME PLACE.

WOVEN FABRIC.

SPECIFICATION forming part of Letters Patent No. 579,164, dated March 23, 1897.

Application led August ll, 1896. Serial No. 602,398. (Specimens.)

To all whom t may concern:

Be it known that I, THOMAS MCAULIFFE, a resident of Fall River, county of Bristol, State of Massachusetts, have invented a certain new and useful Improvement in Woven Fabrics, of which the following is a specification.

My invention relates to a new character of woven fabrics, more especially' adapted for bedspreads, though obviously it may be used for other purposes.

The object of my invent-ion is to produce a woven pattern fabric having new physical characteristics.

To this end my invention consists in a new and useful fabric comprising the novel arrangement and combination of parts hereinafter described and claimed.

My invention will be understood by referring to the accompanying drawings, wherein like letters and figures of reference indicate corresponding parts.

Figure l is an enlarged detail diagrammatic sectional view of a portion of fabric embodying my invention, the section being taken in the direction of the warp and the threads being distorted to more clearly illustrate the invention. Fig. 2 is a plan view of the same. Fig. 3 is a face View of a piece of woven fabric embodying my invention. Fig. ais adistorted diagrammatic section al view on the line 4 4 of Fig. 3.

That my invention may be clearly understood I will now describe the construction of a fabric embodying the same.

In producing a fabric in accordance with my invention two warps are employed. One warp I term a jacquard-warp and the other a heald-shaft Warp. The jacquard-warp is indicated by the cabled strands l and 11 in Figs. l and 2 and the heald-shaft warp is represented by the stippled strands 2 and 22 in the said figures.

In practice it has been found desirable to employ two sets of weft-threads of different thicknesses, one set, the ground set of weftthreads 3, being ne, while the other set, the pattern weft-threads 4, are coarse. Vhile the preferred manner of making the fabric is to employ two sets of weft-threads of different thicknesses, it is obvious that any suitable number and character of weft-threads may be employed, for which reason I have shown all of the weft-threads of the same thickness, but have indicated the weftthreads in different manners. Thus the section of the ground set of weft-threads 3 in Fig. l is stippled, whereas the pattern weftthreads 4 are in solid black.

The portions of the fabric represented at A are those which form the pattern of the goods, which pattern is raised above the ground, as shown at A in Figs. 3 and 4.

It will be clearly seen in Fig. l that the pattern portions A of the fabric are constituted by two fabrics whose warp and weft threads are woven into a single fabric to form the ground portions B of the fabric. This is effected by means of the jacquard or other pattern mechanism, which, when the pattern desired is to be produced, causes the jacquardwarp I and 1l at that portion of the fabric to drop, so that the face and back of the pattern portions will be Woven as two separate fabrics, the said face of the pattern portion of the fabric being composed of the heald-shaft warp and pattern set of weft-threads and constructed in the manner clearly shown at D on Fig. l, the back O of this portion of the fabric being composed of the jacquard-warp and gronndset of weft-threads. I-Iowever, where the ground is being woven, the j acquard-warp at this portion of the fabric is raised and .the picks shot in the manner indicated at B, Fig. l, thereby making this ground portion of the fabric into a single cloth.

It will be observed that the heald-shaft warp is entirely upon the face of the fabric in the portions A which constitute the pattern of the goods, whereas the jacquard-warp is entirely upon the back of the fabric at these places, as shown at C, Fig. l. On the other hand, in the ground portion of the fabric the jacquard-warp is on the face of the fabric and is interwoven with the ground set of weft-threads, while the heald-shaft warp is incorporated with the ground and pattern set of weft-threads in the manner shown at B in Fig. l. By this means the face of the ground is formed of a closely-woven fabric composed of all the jacquard Warp-threads and ground set of weft-threads and all the.'

heald-shaft warp-threads, except where each heald-shaft warp-thread alternately is caused to drop through between the jacquard warpthreads and in front of the preceding pick of ground-weft to interweave with the pattern set of weft-threads on the back of the ground, after which it returns at once to the face of the ground and remains until the next regular intersection with the pattern-weft on the back of the ground or single cloth portion of the fabric, as shown at B on Fig. 1.

It will be seen by reference to Figs. l and 2 that the heald-shaft warp-threads 2 and 22 interweave at their regular intervals with the pattern set of weft-threads 4: in the ground or single cloth portion of the fabric, each of the said heald-shaft warp-threads 2 or 22 being run across two shots of the ground weftthreads 3 and one of the pattern weft-threads 4,*'as will be clearly seen at B in Fig. l.

While I have described one form of my invention in specific terms that a clear coinprehension of the invention may be had, I would have it understood that I do not limit myself to the specific construction shown and described, since I am aware that the number and character of threads employed and the exact relation thereof to one another .may be varied without departing from my invention.

What I claim, and desire to secure by Letters Patent, is-

1 A pattern fabric consisting of ground and pattern portions, the said fabric coinprising jacquard Warp-threads, heald-shaft warp threads, pattern weft threads and ground weft-threads; the said fabric at the pattern portions thereof being formed of two fabrics the upper one constituted by the healdshaft Warp-threads and the pattern weftthreads, and the lower one constituted by the jacquard warp-threads and lthe ground weftthreads; the ground portions of the fabric being formed of the jacquard warp-threads and ground weft-threads interwoven on the face thereof, and the heald-shaft warp-threads and pattern weft-threads interwoven on the back thereof; the said heald-shaft warp-threads being also interwoven with and incorporated into the ground by running the said healdshaft warp-threads across two shots of the ground-weft and one of the pattern-weft, substantially as described and for the purposes set forth.

2. A pattern woven fabric, having the face and back of the pattern portion thereof formed of separate fabrics, and the ground portion thereof formed of a single fabric; the jacquard-warp in the said ground portion being interwoven with the ground sct of weftthreads on the face of said ground portion, each alternate jacquard warp-thread weavin g over and under each alternate shot of groundweft, while each alternate heald-shaft warpthread in said ground portion of the fabric weaves alternately over two shots of the ground-weft and one shot of the pattern-weft and under the subsequent pick of the patternweft on the back of the said ground portion, and returns to the face to again weave on the face of the fabric, over the two next groundshots of weft and one shot of pattern-weft repeating until the ground portion thereof is finished, substantially as described.

THOMAS MCAULIFFE.

Witnesses:

GEO. E. MoRsE, HARRY M. TURK. 

